When a heat pump blows cold air in winter, it doesn’t always mean a failure. In many cases, the system is running defrost mode to maintain efficiency in cold, humid conditions. This article explains what’s normal and when to contact an HVAC professional.
Life Well Lived
At what outside temperature do heat pumps stop working? The answer depends on system design, outdoor conditions, and backup heat. Here’s what homeowners need to know.
Built-in fresh air and optional ERV systems offer different approaches to ventilation in mini-split heat pumps. This comparison breaks down how they differ in air exchange, heat recovery, and installation flexibility.
